/**
 * --------------------------------------------------------------------
 * jQuery-Plugin "pngFix"
 * Version: 1.2, 09.03.2009
 * by Andreas Eberhard, andreas.eberhard@gmail.com
 *                      http://jquery.andreaseberhard.de/
 *
 * Copyright (c) 2007 Andreas Eberhard
 * Licensed under GPL (http://www.opensource.org/licenses/gpl-license.php)
 *
 * Changelog:
 *    09.03.2009 Version 1.2
 *    - Update for jQuery 1.3.x, removed @ from selectors
 *    11.09.2007 Version 1.1
 *    - removed noConflict
 *    - added png-support for input type=image
 *    - 01.08.2007 CSS background-image support extension added by Scott Jehl, scott@filamentgroup.com, http://www.filamentgroup.com
 *    31.05.2007 initial Version 1.0
 * --------------------------------------------------------------------
 * @example $(function(){$(document).pngFix();});
 * @desc Fixes all PNG's in the document on document.ready
 *
 * $(function(){$(document).pngFix();});
 * @desc Fixes all PNG's in the document on document.ready when using noConflict
 *
 * @example $(function(){$('div.examples').pngFix();});
 * @desc Fixes all PNG's within div with class examples
 *
 * @example $(function(){$('div.examples').pngFix( { blankgif:'ext.gif' } );});
 * @desc Fixes all PNG's within div with class examples, provides blank gif for input with png
 * --------------------------------------------------------------------
 */

(function($) {
    $.fn.pngFix = function(settings) {
        // Settings
        settings = jQuery.extend({
            blankgif: '../../images/blank.gif'
        }, settings);

        var ie55 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.5") != -1);
        var ie6 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 6.0") != -1);

        if ($.browser.msie && (ie55 || ie6)) {
            if (!Array.indexOf) {
                Array.prototype.indexOf = function(obj) {
                    for (var i = 0; i < this.length; i++) {
                        if (this[i] == obj) {
                            return i;
                        }
                    }
                    return -1;
                }
            }
            //fix images with png-source
            $(this).find("img[src$='.png']").each(function() {

                $(this).attr('width', $(this).width());
                $(this).attr('height', $(this).height());

                var prevStyle = '';
                var strNewHTML = '';
                var imgId = ($(this).attr('id')) ? 'id="' + $(this).attr('id') + '" ' : '';
                var imgClass = ($(this).attr('class')) ? 'class="' + $(this).attr('class') + '" ' : '';
                var imgTitle = ($(this).attr('title')) ? 'title="' + $(this).attr('title') + '" ' : '';
                var imgAlt = ($(this).attr('alt')) ? 'alt="' + $(this).attr('alt') + '" ' : '';
                var imgAlign = ($(this).attr('align')) ? 'float:' + $(this).attr('align') + ';' : '';
                var imgHand = ($(this).parent().attr('href')) ? 'cursor:hand;' : '';
                if (this.style.border) {
                    prevStyle += 'border:' + this.style.border + ';';
                    this.style.border = '';
                }

                if (this.style.padding) {
                    prevStyle += 'padding:' + this.style.padding + ';';
                    this.style.padding = '';
                }

                if (this.style.margin) {
                    prevStyle += 'margin:' + this.style.margin + ';';
                    this.style.margin = '';
                }

                var imgStyle = (this.style.cssText);
                strNewHTML += '<span ' + imgId + imgClass + imgTitle + imgAlt;
                strNewHTML += 'style="white-space:pre-line;display:inline-block;background:transparent;' + imgAlign + imgHand;
                strNewHTML += 'width:' + $(this).width() + 'px;' + 'height:' + $(this).height() + 'px;';
                strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + $(this).attr('src') + '\', sizingMethod=\'scale\');';
                strNewHTML += imgStyle + '"></span>';
                if (prevStyle != '') {
                    strNewHTML = '<span style="display:inline-block;' + prevStyle + imgHand + 'width:' + $(this).width() + 'px;' + 'height:' + $(this).height() + 'px;' + '">' + strNewHTML + '</span>';
                }

                $(this).hide();
                $(this).after(strNewHTML);

            });

            // fix css background pngs
            //alert($(this).css('background-image'));
            //.find("*")
            // $(this).each(function() {
            //     var bgIMG = $(this).css('background-image');
            //     alert($(this).css);
            //     alert(bgIMG);
            //     alert(bgIMG.indexOf);
            //     if (bgIMG.indexOf(".png") != -1) {
            //         var iebg = bgIMG.split('url("')[1].split('")')[0];
            //         $(this).css('background-image', 'none');
            //         $(this).get(0).runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + iebg + "',sizingMethod='scale')";
            //     }
            // });

            //fix input with png-source
            $(this).find("input[src$='.png']").each(function() {
                var bgIMG = $(this).attr('src');
                $(this).get(0).runtimeStyle.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + bgIMG + '\', sizingMethod=\'scale\');';
                $(this).attr('src', settings.blankgif)
            });

        }

        return jQuery;

    };

})(jQuery);